ac2a1743bbfc19268c36280b50a003366d41854863d4808099cd87f77fa5f433

Resubmissions

16/05/2023, 05:17

230516-fyq6laaa41 7

16/05/2023, 05:14

230516-fxgkrsaa4z 7

Analysis

max time kernel
1800s
max time network
1687s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16/05/2023, 05:17

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General

Target

rufus-3.22.exe
Size

1.4MB
MD5

f3a93569ce2aa9409e2ffba3d7edb4db
SHA1

f68e9d61523742e40ff2760972feb40286bdef55
SHA256

ac2a1743bbfc19268c36280b50a003366d41854863d4808099cd87f77fa5f433
SHA512

e273fdf72f1e793f0e64d4f3e1a806ab4ef5a8ad408ba7ae3c2b076ac23bbd1b9119523cafeb5e192434a0f346295466fc22237ed2126ed8e55e0f8da6d242d9
SSDEEP

24576:hqGBPKaIPx+wa6cu0gQYBGHsk/ujEsLKhN33sYhXvDW2VIPIwzxcbMycXJnGjTXB:kGBPKaX5TkWnU5KhyaDHYIoHXcB

Score

7^/10

evasion trojan upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1096-63-0x0000000000D90000-0x0000000001185000-memory.dmp	upx
behavioral1/memory/1096-64-0x0000000000D90000-0x0000000001185000-memory.dmp	upx
behavioral1/memory/1096-68-0x0000000000D90000-0x0000000001185000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rufus-3.22.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	rufus-3.22.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	rufus-3.22.exe
File opened for modification	C:\Windows\System32\GroupPolicy	rufus-3.22.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	rufus-3.22.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: SeLoadDriverPrivilege	1096	rufus-3.22.exe
Token: 33	396	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	396	AUDIODG.EXE
Token: 33	396	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	396	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1096	rufus-3.22.exe

C:\Users\Admin\AppData\Local\Temp\rufus-3.22.exe
"C:\Users\Admin\AppData\Local\Temp\rufus-3.22.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1096

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:1812

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:1984

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1708

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x584
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1096-63-0x0000000000D90000-0x0000000001185000-memory.dmp

Filesize
4.0MB

Download
memory/1096-64-0x0000000000D90000-0x0000000001185000-memory.dmp

Filesize
4.0MB

Download
memory/1096-68-0x0000000000D90000-0x0000000001185000-memory.dmp

Filesize
4.0MB

Download
memory/1708-65-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download